Liquid-soap dispenser.



I PATENTED FEB. l1, 1908.

. SCHMIDT.

G. LIQUID :s0/IIJ DISPENSER.

APPLICATION FILED. APR. 2. 1906*.

ljf/neusssxy i tion in an apparatus for dispensing liquid` UNITED sTA-TEs PATENT oEEioE.

GEORGE A. SCHMIDT, OF OHIOAGO, ILLINOIS.

LIQUID-soar nrsrnnsrm.v

To all whom .it mayconcern:

.Be it known that I, GEORGE A..SCHM1DT,

a citizen of the United States, residing at,

Chicago, in the county of Cook and State of Illinois, have invente-d certain new and useful Improvements in Liquid-Soap Dispensers and I do hereby declare the following to be a full, clear, and exactvdescription of the invention, such as will enable others skilled inthe art to which it appertains to make and use the same.

My invention relates to a novel construcsoap in measured quantities, the object being to providey means for preventing leakage of suc soap when the apparatus 1s not operated, and consists 'in the features of construction and combinations of parts hereinafter fully described and claimed.

' The accompanyingv drawing illustrating my invention shows an apparatus constructed in accordance With my invention in central vertical section.

, In the liquid soap dispensingldevices now Agenerally employed, the column of liquid disposed above the discharge device .generally causes the latter'to leak and such leakage is very' objectionable not only by reason of the loss of soap occasioned but, furthermore, by

Vreason of the fact that such-soap coagulates on the basin top and' forms a greasy, unsightly mass.

The main object of my invention 1s to provide means for relieving the dispensing device proper of pressure so that no matter what the height of the liquid soap column may be the pressure on the dis Jensing device is substantially uniform at all times, and, furthermore, to so arrange the reservoir and dispensing device that the former will be placed more rearwardly than heretofore and, therefore, be less in the way of the operator and more neat in appearance.

.Liquid soap appears to have a penetrating power unliire other liquids and though relatively thich it will force its way through the slightest crevice, and in view of the fact that the discharge'or dispensing apparatus proper is necessarily very small, the same is diliicult to maintain fluid'tight for any greatlength of time. 4

' In the accompanying drawingA indicates a bottle or lsimilar reservoir for the liquid y soap, which is inverted and'discharges its contents gradually into a receptacle B in which the neck and mouth portion of the bot- Specification of Letters Patent. Aminata ned April 2.1906. seria-1 No. 309.526.

Patented Feb. 1 1, 1908.

tle is received. The said receptacle B isprovided with a vent openin C adjacent its upper end and is maintaine full of soap to a.

given level' by the air ressure which acts to 60 support the column o soap in the reservoir A in a well-known. manner, the lsoap contained in said receptacle B acting as a seal to prevent admission of air to said reservoir A unt-il the level in` said receptacle B sinks to a certain point. The said reservoir A and re-4 ceptacle B are preferably supported on the Wall back of the basin in any suitable manner by means of thewall plate D and suitable supporting arms carried 'thereby and engag- 70 ingl said reservoir and receptacle.

The discharge device may be of any suitable construction, a convenient embodiment thereof consisting of a cylindrical pum chamber E in which a' piston Fis reciprocal y mov- 75 The latter passes telescopically through the central opening in the lower head J of said pump chamber and at its extreme lower end carries a suitable disk Kwhich is adapted to be received in the palm of the hand and. forced upwardly to operate said piston F In said lower head. J of said pump is a suction valve chamber L' the lower end of which is closed by means of a plug )I and at the upper end of which is a alve seat. X on which the suction valve O seats. The stem of the latter is connected by means of a tension spring P with said plug )I to normally maintain said valve O on its seat. valve chamber Q closed at its upper end by means of a plug Il and provided in its` lower end with an opening S through which it communicates with the pump chamber formed between said piston F and said lower head J.

A ball valve T controls said last-named opening and maintains the same normally closed by gravity. The said valve chamber Q communicates at one side with .said hollow piston. communicates with said receptacle B by means or" a pipe Il which is preferablv hori- T he latter is provided 30 discharge nozzle 85' In said piston is a 100.

The said suction valve chamber L lows: forcing Asaid ypiston F upwardl I in workmanship.

zontally disposed and made in any requisite length. i

' The operation of my said device is as follpg' means cipressure applied upon said dis Y the vacuum formed in the lower end of the pump between said head J and piston F will cause saidv valve O to bei' raised' and the vliquid soap drawn into said portion of said pump. By reason of the fact that the supply'is disposed substantially on-a level with said suction valve chamber the soap can exert practically no pressure whatever upon said valve or force 1ts way readily through any crevice due to lackof absolute accuracy During the upward movement of said piston, the valve T is maintained on its seat both by gravity and atmospheric pressure. As soon as said-disk K is released said spring G will force said piston again to the lower limitof its movement and during this movement the valve O obviously remains closed while said valve T is forced from its seat by the liquid soap which enters said chamber Q and passes t ence through l ceptacle receiving said lower end of said y reservoir, said reservoir having the liow therefrom automatically controlled by atmospheric pressure to maintain a substantially uniformv levelof liquid in said receptacle, and a pump connected atits inlet end with said receptacle7 the. pump barrel of said pump disposed above the level of the li uid the inlet to the pump barrel disposedsublwithin the receptacle and a valve contro 'ng stantially in horizontal alinement'with the level of the liquid 'in said receptacle.

In testimony whereof l have signed my name in presenceof two subscribing witnesses.

GEORGE A. SCHMIDT. Vitnesses: l

RUDOLPH WM. Lora,-A LEE MITCHELL. 

